B08_-_Tank_Technical_Specification12ftTanks.pdf
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- Attached to
- PA-ALLEGHENY NFH-ROUND FIBERGLASS TANKS
- Solicitation number
- 140FS324Q0159
About this file
This document is a technical specification for 12-foot fiberglass tanks and control boxes required for the Allegheny National Fish Hatchery. The tanks have an inner diameter of 144 inches and depth of 60 inches, with a total capacity of 4,228 gallons. The tanks are to be constructed with varying layers of fiberglass reinforcement, a corrosion-resistant isophthalic resin, and a minimum 20-mil gel coat interior and exterior. The tanks include a center drain, skimmer box, and other fittings. The scope also includes two 24-inch water regulating cylinders. The related federal contract opportunity is a solicitation from the U.S. Fish and Wildlife Service to procure these 12-foot fiberglass tanks and control boxes for the Allegheny National Fish Hatchery.
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| File | Type | Posted |
|---|---|---|
| Sol_140FS324Q0159.pdf | ||
| B08_-_Past_Performance_Survey.doc | DOC document |
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Text version
United States Department of the Interior
FISH AND WILDLIFE SERVICE
Allegheny National Fish Hatchery 6616 Hemlock RD Warren PA 16365
Specifications For 12ft fiberglass tanks and control boxes
Date: July 10, 2024
Sections: 2 bottom halves, 4 side wall pieces, 4 sidewall extensions Dimensions Inside: 144” Inner Diameter x 60” Deep Dimensions Outside: 150” (at longest point) x 74.25” Tall Gel Coat Interior: Light Gray. Minimum 20 mils Gel Coat Exterior: Gray. Minimum 20 mils Volume: 4228 Gallons
Construction Specifications:
Tank shall be constructed of varying hand laid layers of 1.5 oz mat glass fiber reinforcement, with 24oz woven roving glass fiber reinforcement, core materials, and a single corrosion resistant isophthalic resin throughout. The inner surface layer of each tank shall consist of a smooth polished layer of corrosion resistant isophthalic gel coat having a total finished thickness of no less than 20 mils. Minimum overall wall thickness is 3/16”.
Fittings/Screens Bottom center drain shall consist of circular floor sump with 16” aluminum mesh plate with ¼” holes. Floor sump will be integrated into tank bottom. Discharge fitting to be 3” Sch40 coupling glassed into center bottom of floor sump.
Skimmer box shall be 30” wide x 24” deep and extend from the tank approximately 20”. A removable aluminum exclusion screen with screen tanks will be provided and will sit flush to the inside of the tank at the entrance to the skimmer box. The skimmer box shall be furnished with keyway made from polyethylene stock to receive a weir board constructed of fiberglass to control water level in tank. A single 6” Sch40 coupling discharge will be provided.
Contractor shall furnish the following:
4 - 12 ft 10 section fiberglass tanks with side skimmer box and skirt.
2 - fiberglass water regulating cylinders in accordance with the specifications listed below.
12ft Tank Specifications
Skirt The skirt shall be incorporated into the bottom sections of the tank. It shall create a self supporting tank that has 8" of free space between the floor and the bottom of the tank for plumbing. The skirt shall be constructed with sufficient support to hold the weight of the tank and 4228 gallons of water.
Assembly Sectional tank construction includes 3” flanges. Flanges to be predrilled every 3.5”. A gasket and Dow Corning 795 structural silicon sealant shall be included to seal the tank seams. 316 stainless steel hardware for bolting flanges shall be included. The drains shall be 90 degrees from the skimmer box. Half of the tanks should orient to the left and half to the right.
Final Tank Layout damason Stamp
Dimensions Inside: 24” Inner Diameter x 57” Deep Gel Coat Interior: Light Gray. Minimum 20 mils Gel Coat Exterior: Gray. Minimum 20 mils
Construction Specifications:
Tank shall be constructed of varying hand laid layers of 1.5 oz mat glass fiber reinforcement, with 24oz woven roving glass fiber reinforcement, core materials, and a single corrosion resistant isophthalic resin throughout. The inner surface layer of each tank shall consist of a smooth polished layer of corrosion resistant isophthalic gel coat having a total finished thickness of no less than 20 mils. Minimum overall wall thickness is 3/16”.
Fittings/Screens Water regulator to receive water flow from 2 - 4228 gallon tanks. Flow inlet fittings to be 3" Sch 40 and Discharge fittings shall be 3" Sch 40. Internal Fittings to accept 3" Sch 40 standpipes
24" Water regulating cylinder specifications
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